Replace "\r\n5" Using javascript [closed] - javascript

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I got a result "\r\n5".
I want to remove "\r\n" and take only number 5.
How do i take the number and remove "\r\n" using javascript replace function.
please anyone help me.

Why do you want to use replace us this
"\r\n5".match(/\d+/)[0]

The trim() method returns the string stripped of whitespace from both ends. trim does not affect the value of the string itself.,should be work
"\r\n5".trim();
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I have a form and I want to accept pipe separated values for a particular field only in the format
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I tried using ^\d{1,6}(|\d{1,6}){3}
But this is wrong.
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I understand that localStorage only stores strings, but lets say the string is '43', would there be a way of printing this as an int?
I tried parseInt() but I keep getting NaN..
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I would like to understand why the following behavior happens.
Take a look at my Stackblitz example here
I need the "00000000-0000-0000-0000-000000000000" empty guid, to stay in the same format, but for some reason, Typescript changes it to a value 0.
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This regular expression is not working as expected.Please suggest other way to validate this regular expression in javascript.
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Regex replace +46 to 0 JavaScript [closed]

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I'm trying to learn regex. I need to find +46 and replace it with 0. I've been racking my brain but I can't figure out the correct syntax. I'm trying to do it in JS with replace.
Any takers?
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